Plastic Recycling TRIZ Cases

A recycled PET resin process uses pH-adjusted cooling water to produce high-quality pellets.

Optical sorting removes minority fractions from polyolefin plastic waste, ensuring composition uniformity for efficient pyrolysis.

A rubber belt clamping device automates the stacking and separation of raw belts and circular dies on a production line.

Precise glycol and cyclic dimer control in recycled PET blends keeps haze below 20% and b* values stable.

Computing compression parameters from pressure changes detects complete gas dissolution, preventing bubble flaws and geometry deviations.

Monochloramine breaks sulfur cross-links in styrene butadiene rubber for efficient recycling.

Basic catalysts enable partial depolymerisation of post-consumer PET with ethylene glycol, reducing energy consumption and purification steps.

Electromagnetic fields induce Joule heating in carbon fiber composites to degrade the polymer matrix and recover continuous fibers.

A flexible scraper element maintains continuous movement and self-sharpening within a micro filter device.

Hot ethylene glycol extracts organic colorants from PET-flake while embrittling the polymer for recycling.

A magnetic capture complex removes additives from waste polymer mixtures using a bridged catalyst and nanoparticle structure.

Cold shredding compresses bituminous material through a perforated tube to eliminate heating energy while preventing polyester filament formation.

An ethylene-based graft copolymer bridges immiscible PE, PA, and EVOH phases to resolve phase separation while maintaining mechanical integrity.

Segmented housing zones create varying shear forces that break down composite material bonds, enabling complete fraction separation without reducing throughput.

Segmented fork design reduces device weight and energy consumption while simplifying tire handling operations.

Separating metals, reducing particle size, and drying PCR flakes allows direct injection molding while eliminating expensive melt filter systems.

A crosslinkable composition uses poly-C5-C15-alkenamer and liquid polybutadiene to bind recycled elastomer powder into cohesive compounds.

Air injection and drum paddles create turbulence to clean residual plastics, eliminating water usage and microplastic generation in waste processing.

A continuous liquefaction system melts solid waste plastic while a vacuum unit controls pressure to maintain the molten phase.

Monitoring tie-bar strain or platen pressure allows the control system to stop the toggle support exactly at mold touch, resolving inconsistent clamping forces.

Vacuum drum-drying integrated with extrusion removes solvents at low temperatures, preventing polymer degradation while maintaining continuous throughput.

A polypropylene composition blends mixed-plastics recycled material with heterophasic copolymers and inorganic fillers.

Batch kneading disperses cellulose fibers in polyolefin resin to suppress water absorption and reduce drying energy consumption.

A continuous depolymerization device treats mixed plastic waste using sequential chemical processing to recover raw materials.

A spaced faceplate allows excess resin backflow while a heated screen filters broken fibers from the molten thermoplastic stream.

Rotating conical cleaning bodies with inclined ribs and transverse webs remove contaminants from plastic flakes without causing wrinkling or deformation.

Injection molding creates an integrated flash lamp lens and holder, eliminating visible welds and weak assembly joints.

Glycolysis of recycled PET followed by aromatic ring hydrogenation yields cycloaliphatic polyester polyols with controlled viscosity and hydroxyl number.

Organic zinc derivatives absorb hydrogen sulfide during extrusion, preventing thio-derivative formation and reducing acrid odor emissions.

A labyrinthine barrier material restricts chemical diffusion in recycled rubber compounds to enhance bonding with fresh vulcanized mixtures.

A viscosity modifier combines a chain extender with a non-condensation carrier resin to enhance melt flow in condensation polymers.

Collects rubber granulates from worn turf and mixes them with a binding agent to create an elastic composition for new layers.

Hot-melt extrusion depolymerises polyester waste using inorganic salts as plasticizers and porogens to yield high-purity monomers.

Crosslinked polyesters degrade into single monomers under mild conditions, eliminating complex separation steps required by conventional recycling methods.

Dynamic vinylogous bonds allow epoxy thermosets to recycle without losing mechanical integrity.

A tire disruptor device uses high-pressure water jets to disintegrate treads and sidewalls into reusable rubber powder.

Cleavable benzoxazine resins degrade into thermoplastic oligomers through acid exposure, enabling the recycling of crosslinked thermoset composites.

Selective extraction and hydrothermal processing convert plastic waste into pristine polymers and hydrocarbon mixtures.

A method recycles mixed polymer waste into polyol mixtures through controlled glycolysis reactions.

Controlled alkali concentration and temperature separate polyester from cellulose, reducing sodium hydroxide consumption and preventing cotton degradation.

Chain extenders modify polyester melt viscosity to optimize physical characteristics without causing detrimental chain cleavage.

Enzymatic lignin and itaconic acid form hydrogen bonds with lipoic acid to create a biodegradable self-healing rubber elastomer that avoids toxic solvents.

A reclaimed polymer purification method uses leaching solvents to remove surface contaminants before dissolving the material for bulk separation.